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KirkegaardEmil's profile
Emil O W Kirkegaard
Emil O W Kirkegaard
Emil O W Kirkegaard
@KirkegaardEmil

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Emil O W Kirkegaard

@KirkegaardEmil

#psychology #genomics #hbd #rstats #statistics #genomics #transhumanism #dataviz #openscience #psychometrics @OpenPsychJour

Denmark
emilkirkegaard.dk
Joined January 2012

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    1. Craig Kourtu‏ @cmkourtu Aug 23
      • Report Tweet
      Replying to @cmkourtu @joelwatsonfish @SimonDeDeo

      Also they only go 94% of their random sample to take the test.

      1 reply 0 retweets 1 like
    2. Joel Fish‏ @joelwatsonfish Aug 23
      • Report Tweet
      Replying to @cmkourtu @SimonDeDeo

      Yes, it's age adjusted.

      1 reply 0 retweets 0 likes
    3. Craig Kourtu‏ @cmkourtu Aug 23
      • Report Tweet
      Replying to @joelwatsonfish @SimonDeDeo

      I find it incredibly troubling that they acknowledge that accumulated knowledge increases the score, and then think the only the thing they need to control for is age. And they have a non-random sample. And they don’t specify the correlation between AFQT and IQ

      2 replies 0 retweets 0 likes
    4. Joel Fish‏ @joelwatsonfish Aug 23
      • Report Tweet
      Replying to @cmkourtu @SimonDeDeo

      I'm sure it's in the literature. People like @StuartJRitchie and @rjhaier would probably know.

      1 reply 0 retweets 0 likes
    5. Joel Fish‏ @joelwatsonfish Aug 23
      • Report Tweet
      Replying to @joelwatsonfish @cmkourtu @SimonDeDeo

      Also probably people like @pnin1957 @Scientific_Bird and @KirkegaardEmil

      1 reply 0 retweets 0 likes
    6. Inquisitive Bird‏ @Scientific_Bird Aug 23
      • Report Tweet
      Replying to @joelwatsonfish @cmkourtu and

      See appendix 3 in The Bell Curve regarding correlation between AFQT score and IQ test batteries.pic.twitter.com/aH2KmLs8xB

      2 replies 1 retweet 2 likes
    7. Craig Kourtu‏ @cmkourtu Aug 23
      • Report Tweet
      Replying to @Scientific_Bird @joelwatsonfish and

      Those are extremely unimpressive, and none of those test are the WAIS, which is the mostly widely used IQ test to date. With r values that low, it’s completely possible that the r between those test and income is near 0.

      1 reply 0 retweets 0 likes
    8. Joel Fish‏ @joelwatsonfish Aug 23
      • Report Tweet
      Replying to @cmkourtu @Scientific_Bird and

      How probable?

      1 reply 0 retweets 0 likes
    9. Craig Kourtu‏ @cmkourtu Aug 23
      • Report Tweet
      Replying to @joelwatsonfish @Scientific_Bird and

      I don’t know, it’s an interesting question, but considering income is fat-tailed, and not even logincome is normal, the idea of correlation really doesn’t apply here.

      1 reply 0 retweets 0 likes
    10. Joel Fish‏ @joelwatsonfish Aug 23
      • Report Tweet
      Replying to @cmkourtu @Scientific_Bird and

      Well, yeah... I mean, if income is log-normal, and IQ is normal, then the right thing to do is look at correlation between log(income) and IQ. This has been done. It yields a better relationship.

      2 replies 1 retweet 0 likes
      Emil O W Kirkegaard‏ @KirkegaardEmil Aug 23
      • Report Tweet
      Replying to @joelwatsonfish @cmkourtu and

      The difference between these is mostly trivial, waste of time to obsess about.

      3:12 PM - 23 Aug 2019
      • 1 Retweet
      • maxim smyrnyi
      0 replies 1 retweet 0 likes

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